Hackedmc10.bin is the BASIC ROM image, with the word "MICROCOLOR" replaced
by "hacked" -- used for testing the emulator's ability to load in another 
BASIC/OS ROM.

mc10.bin is the BASIC ROM image for the MC-10 computer.  VMC-10 contains a
copy of this built-in.

match_chr.bin is a simulated 768 byte character ROM, based on the NEC TREK's 
external character set image.

match_chrx.bin is a truncated 4K external character ROM, with character 
location matching the normal 6847 set, derived from the NEC TREK external 
character ROM.

mess_ntscround_chr.bin is a simulated 768 byte character ROM, looted from 
MESS.

mess_ntscsquare_chr.bin is a simulated 768 byte character ROM, looted from 
MESS.

necpc_chrx.bin is the 4K external character ROM from the NEC PC-6001 (Japan) 
computer.  Check it with the Quicktyp/sg6.txt program.

nectrek_chrx is the 4K external character ROM from the NEC TREK computer.  
Check it with the Quicktyp/sg6.txt program.